Originally Posted by Kevin Boyle

The Posi Lock system works on the rear rims only. Most of Factory guys have updated their T4. I think the Posi Lock system is most convenient when trying to get the rear dialed at a new track.

Some of the team drivers have also mounted up Holeshots or Double Dees (JConcepts Tire ) using the standard front rims.

I hope that helps? Here is the part number to upgrade your T4 to the Posi Lock system.


#7988, Posi-Lock Quick-Change Truck Conversion Kit. No more screwing and unscrewing nuts to install your wheels! For GT, T4 (“AE” trucks with MIP-style CVDs axles)
Retail: $45.00


Thanks
Kevin Boyle